#include <stdio.h>
void Find(int* arr, int sz)
{
	for (int i = 0; i < sz; i++)
	{
		int flag = 1;
		for (int j = 0; j < sz; j++)
		{
			if (i == j)
				continue;
			if (arr[i] == arr[j])
			{
	           flag = 0;
			   break;
			}
			
		}
		if (flag == 1)
			printf("%d ", arr[i]);
	}
}

int main()
{
	int arr[] = { 1,2,3,4,5,6,7,1,2,3,4 };
	int sz = sizeof(arr) / sizeof(arr[0]);
	Find(arr,sz);
	return;
}